Index: third_party/protobuf/python/google/protobuf/pyext/safe_numerics.h |
diff --git a/third_party/protobuf/python/google/protobuf/pyext/safe_numerics.h b/third_party/protobuf/python/google/protobuf/pyext/safe_numerics.h |
deleted file mode 100644 |
index 639ba2c8e3e9116f6b05e6497f1b6171a8a23efb..0000000000000000000000000000000000000000 |
--- a/third_party/protobuf/python/google/protobuf/pyext/safe_numerics.h |
+++ /dev/null |
@@ -1,164 +0,0 @@ |
-// Protocol Buffers - Google's data interchange format |
-// Copyright 2008 Google Inc. All rights reserved. |
-// https://developers.google.com/protocol-buffers/ |
-// |
-// Redistribution and use in source and binary forms, with or without |
-// modification, are permitted provided that the following conditions are |
-// met: |
-// |
-// * Redistributions of source code must retain the above copyright |
-// notice, this list of conditions and the following disclaimer. |
-// * Redistributions in binary form must reproduce the above |
-// copyright notice, this list of conditions and the following disclaimer |
-// in the documentation and/or other materials provided with the |
-// distribution. |
-// * Neither the name of Google Inc. nor the names of its |
-// contributors may be used to endorse or promote products derived from |
-// this software without specific prior written permission. |
-// |
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- |
-#ifndef GOOGLE_PROTOBUF_PYTHON_CPP_SAFE_NUMERICS_H__ |
-#define GOOGLE_PROTOBUF_PYTHON_CPP_SAFE_NUMERICS_H__ |
-// Copied from chromium with only changes to the namespace. |
- |
-#include <limits> |
- |
-#include <google/protobuf/stubs/logging.h> |
-#include <google/protobuf/stubs/common.h> |
- |
-namespace google { |
-namespace protobuf { |
-namespace python { |
- |
-template <bool SameSize, bool DestLarger, |
- bool DestIsSigned, bool SourceIsSigned> |
-struct IsValidNumericCastImpl; |
- |
-#define BASE_NUMERIC_CAST_CASE_SPECIALIZATION(A, B, C, D, Code) \ |
-template <> struct IsValidNumericCastImpl<A, B, C, D> { \ |
- template <class Source, class DestBounds> static inline bool Test( \ |
- Source source, DestBounds min, DestBounds max) { \ |
- return Code; \ |
- } \ |
-} |
- |
-#define BASE_NUMERIC_CAST_CASE_SAME_SIZE(DestSigned, SourceSigned, Code) \ |
- BASE_NUMERIC_CAST_CASE_SPECIALIZATION( \ |
- true, true, DestSigned, SourceSigned, Code); \ |
- BASE_NUMERIC_CAST_CASE_SPECIALIZATION( \ |
- true, false, DestSigned, SourceSigned, Code) |
- |
-#define BASE_NUMERIC_CAST_CASE_SOURCE_LARGER(DestSigned, SourceSigned, Code) \ |
- BASE_NUMERIC_CAST_CASE_SPECIALIZATION( \ |
- false, false, DestSigned, SourceSigned, Code); \ |
- |
-#define BASE_NUMERIC_CAST_CASE_DEST_LARGER(DestSigned, SourceSigned, Code) \ |
- BASE_NUMERIC_CAST_CASE_SPECIALIZATION( \ |
- false, true, DestSigned, SourceSigned, Code); \ |
- |
-// The three top level cases are: |
-// - Same size |
-// - Source larger |
-// - Dest larger |
-// And for each of those three cases, we handle the 4 different possibilities |
-// of signed and unsigned. This gives 12 cases to handle, which we enumerate |
-// below. |
-// |
-// The last argument in each of the macros is the actual comparison code. It |
-// has three arguments available, source (the value), and min/max which are |
-// the ranges of the destination. |
- |
- |
-// These are the cases where both types have the same size. |
- |
-// Both signed. |
-BASE_NUMERIC_CAST_CASE_SAME_SIZE(true, true, true); |
-// Both unsigned. |
-BASE_NUMERIC_CAST_CASE_SAME_SIZE(false, false, true); |
-// Dest unsigned, Source signed. |
-BASE_NUMERIC_CAST_CASE_SAME_SIZE(false, true, source >= 0); |
-// Dest signed, Source unsigned. |
-// This cast is OK because Dest's max must be less than Source's. |
-BASE_NUMERIC_CAST_CASE_SAME_SIZE(true, false, |
- source <= static_cast<Source>(max)); |
- |
- |
-// These are the cases where Source is larger. |
- |
-// Both unsigned. |
-BASE_NUMERIC_CAST_CASE_SOURCE_LARGER(false, false, source <= max); |
-// Both signed. |
-BASE_NUMERIC_CAST_CASE_SOURCE_LARGER(true, true, |
- source >= min && source <= max); |
-// Dest is unsigned, Source is signed. |
-BASE_NUMERIC_CAST_CASE_SOURCE_LARGER(false, true, |
- source >= 0 && source <= max); |
-// Dest is signed, Source is unsigned. |
-// This cast is OK because Dest's max must be less than Source's. |
-BASE_NUMERIC_CAST_CASE_SOURCE_LARGER(true, false, |
- source <= static_cast<Source>(max)); |
- |
- |
-// These are the cases where Dest is larger. |
- |
-// Both unsigned. |
-BASE_NUMERIC_CAST_CASE_DEST_LARGER(false, false, true); |
-// Both signed. |
-BASE_NUMERIC_CAST_CASE_DEST_LARGER(true, true, true); |
-// Dest is unsigned, Source is signed. |
-BASE_NUMERIC_CAST_CASE_DEST_LARGER(false, true, source >= 0); |
-// Dest is signed, Source is unsigned. |
-BASE_NUMERIC_CAST_CASE_DEST_LARGER(true, false, true); |
- |
-#undef BASE_NUMERIC_CAST_CASE_SPECIALIZATION |
-#undef BASE_NUMERIC_CAST_CASE_SAME_SIZE |
-#undef BASE_NUMERIC_CAST_CASE_SOURCE_LARGER |
-#undef BASE_NUMERIC_CAST_CASE_DEST_LARGER |
- |
- |
-// The main test for whether the conversion will under or overflow. |
-template <class Dest, class Source> |
-inline bool IsValidNumericCast(Source source) { |
- typedef std::numeric_limits<Source> SourceLimits; |
- typedef std::numeric_limits<Dest> DestLimits; |
- GOOGLE_COMPILE_ASSERT(SourceLimits::is_specialized, argument_must_be_numeric); |
- GOOGLE_COMPILE_ASSERT(SourceLimits::is_integer, argument_must_be_integral); |
- GOOGLE_COMPILE_ASSERT(DestLimits::is_specialized, result_must_be_numeric); |
- GOOGLE_COMPILE_ASSERT(DestLimits::is_integer, result_must_be_integral); |
- |
- return IsValidNumericCastImpl< |
- sizeof(Dest) == sizeof(Source), |
- (sizeof(Dest) > sizeof(Source)), |
- DestLimits::is_signed, |
- SourceLimits::is_signed>::Test( |
- source, |
- DestLimits::min(), |
- DestLimits::max()); |
-} |
- |
-// checked_numeric_cast<> is analogous to static_cast<> for numeric types, |
-// except that it CHECKs that the specified numeric conversion will not |
-// overflow or underflow. Floating point arguments are not currently allowed |
-// (this is COMPILE_ASSERTd), though this could be supported if necessary. |
-template <class Dest, class Source> |
-inline Dest checked_numeric_cast(Source source) { |
- GOOGLE_CHECK(IsValidNumericCast<Dest>(source)); |
- return static_cast<Dest>(source); |
-} |
- |
-} // namespace python |
-} // namespace protobuf |
- |
-} // namespace google |
-#endif // GOOGLE_PROTOBUF_PYTHON_CPP_SAFE_NUMERICS_H__ |